poj2184 Cow Exhibition(带负数的背包问题)(关于背包问题的精髓可以去百度背包九讲)
CowExhibitionTimeLimit:1000MSMemoryLimit:65536KTotalSubmissions:7634Accepted:2775Description"Fatanddocile,biganddumb,theylooksostupid,theyaren'tmuchfun..."-CowswithGunsbyDanaLyonsThecowswanttoprovetot